The Nazis' concentration camps became centers for mass killings in World War II. Why did a system of concentrating populations lead to genocide? This final episode reveals all.

The Nazi think tank "Ahnenerbe" carried out countless acts of barbarism; stored on hundreds of microfilms which are only now available, the reports from this institution reveal the gruesome secrets of science according to Hitler.

Hitler's rise to power depended on Hjalmar Schacht, a largely forgotten figure.